87672421422 has 96 divisors (see below), whose sum is σ = 197405994240. Its totient is φ = 28100442240.

The previous prime is 87672421409. The next prime is 87672421423. The reversal of 87672421422 is 22412427678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87672421423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29829229 + ... + 29832167.

It is an arithmetic number, because the mean of its divisors is an integer number (2056312440).

Almost surely, 2^87672421422 is an apocalyptic number.

87672421422 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

87672421422 is an abundant number, since it is smaller than the sum of its proper divisors (109733572818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87672421422 is a wasteful number, since it uses less digits than its factorization.

87672421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3555 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The spelling of 87672421422 in words is "eighty-seven billion, six hundred seventy-two million, four hundred twenty-one thousand, four hundred twenty-two".